Cov nroj tsuag Asphalt muaj zog yog tsim rau pob zeb macast Asphalt ntau lawm thiab peb tsis tsuas yog cov neeg ua haujlwm cellulose, tab sis kuj tom qab muag kev ua haujlwm pab txhawb nqa thiab kev kawm ua haujlwm.

Nws yog hom asphalt tiv taus deformation, haum rau txoj kev nrog cov tsheb hnyav. Nws tau siv nyob rau hauv tshav dav hlau cov phiaj xwm nyob rau xyoo tas los no. Pob zeb Masthast Asphalt (SMA) yog kub asphalt sib xyaw muaj muaj 70-80% coars aggregate, 20-30% siab bitumen. Nws tau tsim nyob hauv lub teb chaws Yelemees nyob rau xyoo 1960 thiab tau ua thawj zaug hauv Kiel, Lub teb chaws Yelemees.

Niaj hnub no, nrog kev mob siab ua kom tsim kev socialism, asphalt kis cov tsheb thauj mus ntxiv hauv kev tsim kho ntawm txoj kev loj, cov chaw nres tsheb dav hlau thiab chaw nres nkoj cov chaw nres nkoj. Nyob rau hauv cov xwm txheej niaj hnub no uas kev lag luam tshuab uas nrawm dua thiab nrawm dua, cia saib ntawm kev txhim kho yav tom ntej ntawm asphalt haiber tsheb.

Nyob rau hauv xyoo tsis ntev los no, lub rooj sib tham tau vam meej pab pawg tsim kho thiab kev txhim kho cov hom phiaj kev lag luam tshwj xeeb, thiab tsim kho cov qauv tshwj xeeb thiab cov qauv tshwj xeeb raws cov paj nruag me me. , tau tsim ntau tshaj 100 ntau yam ntawm asphalt sib xyaw cov khoom, aspanhal log tsheb, thiab lwm yam zoo siv hauv kev tsim cov phiaj xwm kev tsim kho thoob plaws lub tebchaws. Cov txiaj ntsig kev ua tau zoo tau lees paub los ntawm kev lag luam hauv tebchaws.

Cov kev ua haujlwm disassembly thiab kev sib dhos ua haujlwm ntawm cov chaw nres tsheb sib xyaw ua haujlwm, thiab kev thauj mus los thiab kev thauj khoom yog kev nyab xeeb thiab kev huam yuaj-dawb. Nyob rau tib lub sijhawm, peb yuav tsum ua raws li cov ntsiab cai ntawm thawj qhov me me ua ntej muaj kev nyuaj, thawj zaug ua ntej ces hwv ces tus tswv, thiab leej twg disassembles thiab leej twg nruab Ib qho ntxiv, qib degree ntawm cov khoom sib tsoo yuav tsum tau ua kom tau raws li kev txhawb nqa thiab kev thauj mus los kev txhim kho cov cuab yeej teeb tsa thiab kev ua haujlwm.

Cov nroj tsuag As As As As As As As As As As As As As As As As As As As As As As As As As As As As As As As As As Asrbually muab tso rau ntawm ib lub tiaj tiaj tiaj, siv cov nplais square rau sab hauv ntej, thiab kho cov log tsheb dhau los kom tiv thaiv swb thaum lub sijhawm siv.